Dipstick wiper



FIG. 1 is a top perspective view of a dipstick wiper showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a front end elevational view thereof, the rear end being a mirror image. 

The ornamental design for a dipstick wiper, as shown and described. 